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Proceedings Paper

Permittivity manipulation of metal-dielectric composite for improved SPR sensing
Author(s): Haesung Park; Kwangchil Lee; Gumin Kang; Jinho Lee; Kyoungsik Kim; Seok-Jae Chung; Soo-Hyun Kim
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Paper Abstract

We demonstrate a convenient method to improve the surface Plasmon resonance sensitivity by manipulating the permittivity of active medium using metal-dielectric (Ag-SiO2) composite monolayer. We demonstrate the successful permittivity engineering of SPR active medium in both theory and experiments. Based on the basic theory of SPR and Bruggeman effective medium theory (EMT), we theoretically confirm that the angular sensitivity enhances using manipulated permittivity of metal-dielectric composite layer.

Paper Details

Date Published: 11 September 2010
PDF: 4 pages
Proc. SPIE 7757, Plasmonics: Metallic Nanostructures and Their Optical Properties VIII, 77572W (11 September 2010); doi: 10.1117/12.860383
Show Author Affiliations
Haesung Park, Yonsei Univ. (Korea, Republic of)
Kwangchil Lee, Yonsei Univ. (Korea, Republic of)
Gumin Kang, Yonsei Univ. (Korea, Republic of)
Jinho Lee, Yonsei Univ. (Korea, Republic of)
Kyoungsik Kim, Yonsei Univ. (Korea, Republic of)
Seok-Jae Chung, Samsung Electronics Co., Ltd. (Korea, Republic of)
Soo-Hyun Kim, Samsung Electronics Co., Ltd. (Korea, Republic of)


Published in SPIE Proceedings Vol. 7757:
Plasmonics: Metallic Nanostructures and Their Optical Properties VIII
Mark I. Stockman, Editor(s)

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